802.11 In the frame, RTS and CTS What is the interframe interval between ()?

• A.PIFS
• B.SIFS
• C.DIFS
• D.IFS

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original 802.11 What is the maximum rate supported by the protocol Mbps ()?

• A.1
• B.2
• C.5.5
• D.11

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Which of the following options is the frequency range supported by China 5GHz Frequency band()?

• A.5.25~5.35GHz
• B.5.725~5.825GHz
• C.5.15~5.25GHz
• D.5.725~5.850GHz

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WLAN middle,AP It has been working in a half-duplex state.

• A.False
• B.True

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TKIP encrypted IV the length of the vector is () bit.

• A.12
• B.64
• C.24
• D.48

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